neikirk



Nov. 9 1926. 1,605,971

J. 0. NEIKIRK, sELEcTIvE DUMP GAR Filed July 14, 1924 Patented Nov. 9, 1926.

UNi-ll' Jll' O. NEIKIRK, OF LOMBARD, ILLINOIS, ASSIGNOR TO RCDC-1ER BALLAST OAR CGM- PANY, OF CHICAGO, ILLINOIS, .A CORPORATION OF MAINE.

SELECTIVE Application led July 14,

The present invention relates to selective dump cars.

This type of car permits the selective dumping of lading between the tracks upon which the car is mounted or outside of said tracks. Such cars commonly include rotatable shafts extending in planes at right .angles to one another for operating the various dump doors. More particularly the present invent-ion relates to mounting means for sa1d operating shafts.

An object of the present. lnventlon 1s to provide mounting means for shafts whose axes occupy planes at right angles to one another. I

A further object is to provide a railway car construction in which two shafts whose axes occupy planes at right angles toV one another may be sturdily mounted 1n a unitary structure. v

A further object is to provide a railway dump car having center sills in which said cent-er sills may be used to good advantage in rotatably supporting a pair of shafts whose axes lie in planes at right angles to one another. j

A further object is to provide shaft mounting means for the dumping mecha-V nism of a railway dump car, which shaft mounting` means will vbe cheap to .manufacture and install and which will be sturdy and well adapted to withstand the shocks encountered in service. l

Further objects will appear as the descrip tion proceeds. Y

Referring to the drawings 1 Figure l is a transverse sectionall view of part of a railway dump car; f

Figure 2 is a view of a`detailed construction of the mechanism shown in Figure 1;

Figure 3 is a transverse sectional view taken along a diierent plane than that shown in Figure l and illustrating the two shafts whose mounting means constitutes the subject matter of the present invention;

Figure 4 is a sectional view taken along the plane indicated by the line 4 4 of Figure 3; and

Figure 5 is a sectional view taken along the plane indicated by the` line 5--5 of Figure 3.

The numerals 7-7 indicate the center sills of a railway dump car. Said sills 7 7 have mounted adjacent thereto the downwardly and outwardly sloping floors 9-9 consti- DUMP CAR.

1924. seal No. 725,962.

tuting parts of two hopper bottoms disposed laterally of the sills 7-7.

` The numerals ll-ll indicate portions of the'dump doors which may be opened for dumping between the tracks upon which the car is mounted. The mechanism for dumping laterally of the tracks upon which the car is mounted is not shown in the present drawing, inasmuch as the details of this construction form no part of the present invention. i

Disposed longitudinally of the car below the center sills is the shaft 16, which for convenience of construction may be square in cross section. Mounted upon the square shaft 16 is the crank member 28, illustrated detached in Figure Said crank member 23 is provided withthe cylindrical portion 25, which is carried by the depending loop memberQ, which loop member 26 may be 'suitably supported from the lower inner dump doors ll--ll need not be described' herein, inasmuch as they do `not form any 4part of the present invention.

ltounted in a plane extending transversevly of the car is the shaft 3l, which is illus- `trated as being round 1n cross section but` which may be of any desired cross section. The construction willy be described, however, V in connection with the round shaft 3l. Said shaft 3l extends through the webs of the center sills 7-7 and is provided intermediate of its webs with the worm 35 non-rotatably liXed to said shaft 31. Any preferred means for ing the worm 35 to the shaft 3l maybe employed, bolts yfor that purpose being illus* trated in Figure 3. p

To provide a bearing for the shaft i6 and for the shaftl and to form a support for the mechanism associated therewith, a supporting' member 36 is provided, which supporting member 36 includes a strap secured noni-rotatably connect- LLA) ' bending; seid plate intermedia to the inner sides of the centersills T-J, the lcvver inner langes of the sills 7 7 being cut away to receive said supporting member id supporti member is formed by i'irst longitudinally sluiting a n'ietal plate intermediate of the ends thereof and then te of its ends into the general forni of a if, so that the lid ends 3?-3'? of the t ferm means for tachingg saidsuppoiting. member 36 to the er sides of the center sills ?-7, While the t diete portions comprise legs '3S-38 shaped conformation having` rounded apezies, licunte'd- Within the legs 38-33 of the supportingA member 36 are the ybushings 39-3.9, which may be provided with annular collars O4-l0, to lim movement of said bushings'S-)QSQ longitudinally of the shaft 1.6. Said bushings may have cylindrical peripheries fori-ot yon in the legs 38-33 and mayhavc rectangular apertures extending' therethrough for fitting upon the square shaft 16. Mounted above the bushings" 39-39 and betiveen thek tivo sides of the supportingv member 36 are the hold dovvn bearingV members fil-ill, each Which has a general V shape having` its apex reverselv disposed, as indicated by the numeral e2, to conform to the corresponding bushing 39. The legsof the 'if-shaped bearing members 41--11 are riveted to the legs of the supporting member 36 andare also riveted through the end portions 3?#37 of thesupportingmember 36 to the center sills l-7, thus forming' strong bracing members, asfwvell as suitableA upper' bearings for the bushings 39-139. In the event that around shaft 3l is used, suchshaft may be jour naled for rotationV in suitable holes in the ends 37-37 of the supporting member 36.

uSaid ends 37-37 also serve to limit endvvise movement of the Worm 35 and shaft 31.

Mountedupon the shaft` 16y betiveen the bushings 39-39 is the Worm vvheel 45, 'which has meshing engagement ivitlrthe Worin 35, the liub or'vvhich vorm wheel 455 bears againstthe collars L lO- e0 of the bushings 39. Cotter pins`el6-6 are provided for limiting movement of the bushings 39--39 and the Worm Wheel l5 longitudr nally of the shaft 16. V

ln installations as formerly provided involvin'g,` a shaft for opera-ting' link mechanism for opening` and closing` dump doors such as the dump doors ll-ll, trouble has been experienced due to the fact that workmen will sometimes attempt to rotate the shaft in the Wrong direction. W'orkmen will often apply considerable force, exerted through a large leverage, to turn the shaft in the wrong' direction, Which action often has the car. The present invention contemsuits are `"rendered impossible. The Worm destructive results on the mechanism of y s means whereby such destructive re-v Wheel l5 isgprovided with a pair olf abutments i6 46 mounted on the side faces thereof offset from the axis of said Worin Wheel, Which-abutments may be conveniently provided by a pin inserted through the vWorm Wheel l5 and extending l terally from the tivo'side faces thereof. Located in cooperative relationship ivith the abutinents 464-46 of the ivorm Wheel i5 are the shoul ders 4&4?, .Which entend inwardly7 from the two legs 384-38 of the shaft support The shaft 16 in common constructions Will require something' less than a complete revolution in jturninnffroin full closed te i position, or from full open to closed position. ller this reason theV abutmcnts t6-.Teti and sheuld'er's -l? may be so deas to limit the extent of rotation of the Worm Wheel Ll5 te the amount required for the ep'en'ing and closing;`v .Q s of the. dum-p doors. lf a vvorknianshould attempt to turn the operaein?,` sh."L Si in the `vviong direction either for opening or closing movement, such movement would be prevented `by reason of the engagement betiveen abutments t6-46 and shoulders l-7.-fl,7so tnat destructive forces cannot be lapplied in any such manner Vto the link mechanism for operating',v4 thedoors ll-1llt Willbe noted that a construction is provided which is sturdy and which is cheap to manufacture. Through a preferred embodiment of the present invention has been described in detail, -many modifications Will occur' to those skilled in the art. lt is intended to Acover all such modifications that fall vvithin theV scope of the appended i W'batfis claimed is:

`said'sills transversely thereof, a Worm carried by said shaft, a supporting member com rprisme,V afstrapV Ysletted to provide a pair of depending, legs andl a'ivorm Wheel mounted between said'legs and meshingy With said worin', said strap Vbeing provided with a holding member conforming thereto for providing hold down means for said Worm Wheel.

3. A railway dump car, comprising kcenter sills', a pairofshafts extending` in planes substantially' at right angles to one another, a supporting L`member carried by said sills, said supporting member comprising a bifurcated member of' lil-shaped. conformation providing"y a pair" of'depending legs, a Worm on'one of :said shafts and a Worm Wheel on ice the other of said shafts, said worm wheel being mounted between said depending legs, said supporting member being provided with a hold down member conforming in shape to said holding member for providing an upper bearing to prevent upward movement of said other shaft.

4f. A railway dump car, comprising spaced center sills, a shaft holding member having a V-shaped conformation and having a portion disposed between and secured to the inner sides of said center sills, said V-shaped member having its apen formed to provide a rounded bearing portion, said li/shaped member being bifurcated at its apex to provide spaced legs to permit mounting therebetween of a power transmitting member.

5. A railway dump car, comprising spaced center sills, a shaft holding member having a Veshaped conformation and having a portion disposed between and secured to the inner sides of said center sills, said V-shaped member having its apex formed to provide a rounded bearing porti-on, said V- shaped member being bifurcated at its apex to provide spaced legs to permit mounting therebetween of a power transmitting meniber, and a hold down member riveted to each of said legs nfor providing an upper bearing member.

6. A shaft support for railway door operating mechanism, comprising a substantially V-shaped member having a lowei` shaft bearing at its apeX and an upper holddown bearing member mounted within the V-sha-ped member and secured thereto, said apex being slotted to provide a lpair of spaced legs providing between them a gea..l receiving space.

7. A shaft support for railway dump car door mechanism, comprising a slotted plate bent to substantial l/shape to form shaft bearings at its apices, and a gear receiving space between the apices.

Signed at Chicago, Illinois, this th day of July, 1924.

AJoran o. nennen. 

